Home / 1,069,520-1,603,657.92-470,464.64

Finding the Fourth Proportional to 1,069,520, 1,603,657.92 and 470,464.64

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Solution

The fourth proportional to 1,069,520, 1,603,657.92 and 470,464.64 is: 705,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,520 : 1,603,657.92 = 470,464.64 : x
  2. Step 2: Convert to fraction form
    1,069,520/1,603,657.92 = 470,464.64/x
  3. Step 3: Cross multiply
    1,069,520x = 1,603,657.92 × 470,464.64
  4. Step 4: Simplify right side
    1,069,520x = 754,464,346,015.95
  5. Step 5: Solve for x
    x = 754,464,346,015.95/1,069,520
  6. Step 6: Final answer
    x = 705,423.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.